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11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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13  * accompanied this code).
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23 
24 /**
25  * @test
26  * @bug 4933700
27  * @summary Tests that default devices return MidiDeviceTransmitter/Receiver and returned objects return correct MidiDevice
28  * @compile TestAllDevices.java
29  * @run main TestAllDevices
30  * @author Alex Menkov
31  */
32 
33 import javax.sound.midi.MidiDevice;
34 import javax.sound.midi.MidiDeviceReceiver;
35 import javax.sound.midi.MidiDeviceTransmitter;
36 import javax.sound.midi.MidiSystem;
37 import javax.sound.midi.MidiUnavailableException;
38 import javax.sound.midi.Receiver;
39 import javax.sound.midi.Transmitter;
40 
41 
42 public class TestAllDevices {
43 
44     static boolean failed = false;
45 
main(String[] args)46     public static void main(String[] args) throws Exception {
47         out("default receiver:");
48         try {
49             Receiver recv = MidiSystem.getReceiver();
50             out("  receiver: " + recv);
51             if (recv instanceof MidiDeviceReceiver) {
52                 out("    OK");
53             } else {
54                 out("    ERROR: not an instance of MidiDeviceReceiver");
55                 failed = true;
56             }
57         } catch (MidiUnavailableException ex) {
58             // this is not an error
59             out("  receiver: MidiUnavailableException (test NOT failed)");
60         }
61 
62         out("default transmitter:");
63         try {
64             Transmitter tran = MidiSystem.getTransmitter();
65             out("  transmitter: " + tran);
66             if (tran instanceof MidiDeviceTransmitter) {
67                 out("    OK");
68             } else {
69                 out("    ERROR: not an instance of MidiDeviceTransmitter");
70                 failed = true;
71             }
72         } catch (MidiUnavailableException ex) {
73             // this is not an error
74             out("  transmitter: MidiUnavailableException (test NOT failed)");
75         }
76 
77         MidiDevice.Info[] infos = MidiSystem .getMidiDeviceInfo();
78         for (MidiDevice.Info info: infos) {
79             out(info.toString() + ":");
80             try {
81                 MidiDevice dev = MidiSystem.getMidiDevice(info);
82                 dev.open();
83 
84                 try {
85                     Receiver recv = dev.getReceiver();
86                     out("  receiver: " + recv);
87                     if (recv instanceof MidiDeviceReceiver) {
88                         MidiDeviceReceiver devRecv = (MidiDeviceReceiver)recv;
89                         MidiDevice retDev = devRecv.getMidiDevice();
90                         if (retDev == dev) {
91                             out("    OK");
92                         } else {
93                             out("    ERROR: getMidiDevice returned incorrect device: " + retDev);
94                             failed = true;
95                         }
96                     } else {
97                         out("    ERROR: not an instance of MidiDeviceReceiver");
98                         failed = true;
99                     }
100                 } catch (MidiUnavailableException ex) {
101                     // this is not an error
102                     out("  receiver: MidiUnavailableException (test NOT failed)");
103                 }
104 
105                 try {
106                     Transmitter tran = dev.getTransmitter();
107                     out("  transmitter: " + tran);
108                     if (tran instanceof MidiDeviceTransmitter) {
109                         MidiDeviceTransmitter devTran = (MidiDeviceTransmitter)tran;
110                         MidiDevice retDev = devTran.getMidiDevice();
111                         if (retDev == dev) {
112                             out("    OK");
113                         } else {
114                             out("    ERROR: getMidiDevice retur4ned incorrect device: " + retDev);
115                             failed = true;
116                         }
117                     } else {
118                         out("    ERROR: not an instance of MidiDeviceTransmitter");
119                         failed = true;
120                     }
121                 } catch (MidiUnavailableException ex) {
122                     // this is not an error
123                     out("  transmitter: MidiUnavailableException (test NOT failed)");
124                 }
125 
126                 dev.close();
127             } catch (MidiUnavailableException ex) {
128                 out("  device: MidiUnavailableException (test NOT failed)");
129             }
130         }
131 
132         if (failed) {
133             throw new Exception("Test failed.");
134         }
135     }
136 
out(String s)137     static void out(String s) {
138         System.out.println(s);
139     }
140 
141 }
142